From 492d353af951b6a34a1f62d07ec64456b6e34600 Mon Sep 17 00:00:00 2001 From: notaz Date: Wed, 23 Jul 2008 11:21:08 +0000 Subject: [PATCH] more Pandora porting work git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@560 be3aeb3a-fb24-0410-a615-afba39da0efa --- common/common.h | 8 +- gp2x/Makefile | 6 +- pandora/Makefile | 8 +- pandora/emu.c | 1014 +++++++++++++++++++++++++++++++++++++++++++++ pandora/main.c | 9 +- pandora/pandora.c | 262 ++---------- 6 files changed, 1070 insertions(+), 237 deletions(-) create mode 100644 pandora/emu.c diff --git a/common/common.h b/common/common.h index f2964bc..72bd17d 100644 --- a/common/common.h +++ b/common/common.h @@ -101,8 +101,8 @@ void gp2x_pd_clone_buffer2(void); void menu_darken_bg(void *dst, int pixels, int darker); void menu_flip(void); -#define SCREEN_WIDTH 320 -#define SCREEN_HEIGHT 240 +#define SCREEN_WIDTH 800 +#define SCREEN_HEIGHT 480 #define SCREEN_BUFFER gp2x_screen #define read_buttons(which) \ @@ -112,9 +112,9 @@ void menu_flip(void); #define menu_draw_begin() \ gp2x_pd_clone_buffer2() #define clear_screen() \ - memset(gp2x_screen, 0, 320*240*2) + memset(gp2x_screen, 0, 800*480*2) #define darken_screen() \ - menu_darken_bg(gp2x_screen, 320*240, 0) + menu_darken_bg(gp2x_screen, 800*480, 0) #define menu_draw_end() \ menu_flip() diff --git a/gp2x/Makefile b/gp2x/Makefile index b032133..57bd810 100644 --- a/gp2x/Makefile +++ b/gp2x/Makefile @@ -147,7 +147,7 @@ DIRS = platform platform/gp2x platform/common Pico Pico/cd Pico/Pico Pico/sound all: mkdirs PicoDrive.gpe -PicoDrive.gpe : $(OBJS) ../common/helix/helix_mp3.a +PicoDrive.gpe : $(OBJS) ../common/helix/$(CROSS)helix-mp3.a @echo ">>>" $@ $(GCC) -o $@ $(COPT) $^ -lm -lpng -Wl,-Map=PicoDrive.map ifeq ($(DEBUG),) @@ -228,8 +228,8 @@ Pico/Pico.o Pico/cd/Pico.o: ../../Pico/PicoFrameHints.c ../../Pico/PicoInt.h Pico/Memory.o Pico/cd/Memory.o : ../../Pico/MemoryCmn.c ../../Pico/PicoInt.h # build helix libs -../common/helix/helix_mp3.a: - make -C ../common/helix +../common/helix/$(CROSS)helix-mp3.a: + make -C ../common/helix clean all readme.txt: ../../tools/textfilter ../base_readme.txt ../../tools/textfilter ../base_readme.txt $@ GP2X diff --git a/pandora/Makefile b/pandora/Makefile index ffa1d72..016a76f 100644 --- a/pandora/Makefile +++ b/pandora/Makefile @@ -49,7 +49,7 @@ LD = $(CROSS)ld OBJCOPY = $(CROSS)objcopy # frontend -OBJS += pandora.o main.o platform/gp2x/menu.o platform/gp2x/usbjoy.o platform/gp2x/emu.o +OBJS += pandora.o main.o emu.o platform/gp2x/menu.o platform/gp2x/usbjoy.o # common OBJS += platform/common/emu.o platform/common/menu.o platform/common/fonts.o platform/common/config.o \ @@ -141,7 +141,7 @@ DIRS = platform platform/gp2x platform/common Pico Pico/cd Pico/Pico Pico/sound all: mkdirs PicoDrive -PicoDrive : $(OBJS) ../common/helix/helix_mp3.a +PicoDrive : $(OBJS) ../common/helix/$(CROSS)helix-mp3.a @echo ">>>" $@ $(GCC) -o $@ $(COPT) $^ -lm -Wl,-Map=PicoDrive.map # -lpng ifeq ($(DEBUG),) @@ -218,8 +218,8 @@ Pico/Pico.o Pico/cd/Pico.o: ../../Pico/PicoFrameHints.c ../../Pico/PicoInt.h Pico/Memory.o Pico/cd/Memory.o : ../../Pico/MemoryCmn.c ../../Pico/PicoInt.h # build helix libs -../common/helix/helix_mp3.a: - make -C ../common/helix +../common/helix/$(CROSS)helix-mp3.a: + make -C ../common/helix clean all readme.txt: ../../tools/textfilter ../base_readme.txt ../../tools/textfilter ../base_readme.txt $@ GP2X diff --git a/pandora/emu.c b/pandora/emu.c new file mode 100644 index 0000000..16fa519 --- /dev/null +++ b/pandora/emu.c @@ -0,0 +1,1014 @@ +// (c) Copyright 2006-2007 notaz, All rights reserved. +// Free for non-commercial use. + +// For commercial use, separate licencing terms must be obtained. + +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "../gp2x/emu.h" +#include "../gp2x/usbjoy.h" +#include "../gp2x/menu.h" +#include "../common/arm_utils.h" +#include "../common/fonts.h" +#include "../common/emu.h" +#include "../common/config.h" +#include "../common/common.h" + +#include +#include +#include +#include + +//#define PFRAMES + +#ifdef BENCHMARK +#define OSD_FPS_X (800-200) +#else +#define OSD_FPS_X (800-120) +#endif + + +int engineState; +int select_exits = 0; + +char romFileName[PATH_MAX]; + +static short __attribute__((aligned(4))) sndBuffer[2*44100/50]; +static struct timeval noticeMsgTime = { 0, 0 }; // when started showing +static int osd_fps_x; +char noticeMsg[64]; // notice msg to draw +unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer +int reset_timing = 0; + +#define PICO_PEN_ADJUST_X 4 +#define PICO_PEN_ADJUST_Y 2 +static int pico_pen_x = SCREEN_WIDTH/2, pico_pen_y = 240/2; + +static void emu_msg_cb(const char *msg); +static void emu_msg_tray_open(void); + + +void emu_noticeMsgUpdated(void) +{ + gettimeofday(¬iceMsgTime, 0); +} + +void emu_getMainDir(char *dst, int len) +{ + extern char **g_argv; + int j; + + strncpy(dst, g_argv[0], len); + len -= 32; // reserve + if (len < 0) len = 0; + dst[len] = 0; + for (j = strlen(dst); j > 0; j--) + if (dst[j] == '/') { dst[j+1] = 0; break; } +} + +void emu_Init(void) +{ + // make temp buffer for alt renderer + PicoDraw2FB = malloc((8+320)*(8+240+8)); + if (!PicoDraw2FB) + { + printf("PicoDraw2FB == 0\n"); + } + + // make dirs for saves, cfgs, etc. + mkdir("mds", 0777); + mkdir("srm", 0777); + mkdir("brm", 0777); + mkdir("cfg", 0777); + + PicoInit(); + PicoMessage = emu_msg_cb; + PicoMCDopenTray = emu_msg_tray_open; + PicoMCDcloseTray = menu_loop_tray; +} + + +static void scaling_update(void) +{ + PicoOpt &= ~0x4100; + switch (currentConfig.scaling) { + default: break; // off + case 1: // hw hor + case 2: PicoOpt |= 0x0100; break; // hw hor+vert + case 3: PicoOpt |= 0x4000; break; // sw hor + } +} + + +void emu_Deinit(void) +{ + // save SRAM + if((currentConfig.EmuOpt & 1) && SRam.changed) { + emu_SaveLoadGame(0, 1); + SRam.changed = 0; + } + + if (!(currentConfig.EmuOpt & 0x20)) { + config_writelrom(PicoConfigFile); +#ifndef NO_SYNC + sync(); +#endif + } + + free(PicoDraw2FB); + + PicoExit(); +} + +void emu_prepareDefaultConfig(void) +{ + memset(&defaultConfig, 0, sizeof(defaultConfig)); + defaultConfig.EmuOpt = 0x9f | 0x00700; // | <- ram_tmng, confirm_save, cd_leds + defaultConfig.s_PicoOpt = 0x0f | POPT_EXT_FM|POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES|POPT_EN_MCD_GFX; + defaultConfig.s_PsndRate = 44100; + defaultConfig.s_PicoRegion = 0; // auto + defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP + defaultConfig.s_PicoCDBuffers = 0; + defaultConfig.Frameskip = 0; // auto + defaultConfig.CPUclock = 200; + defaultConfig.volume = 50; + defaultConfig.scaling = 0; + defaultConfig.turbo_rate = 15; +} + +void emu_setDefaultConfig(void) +{ + memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig)); + PicoOpt = currentConfig.s_PicoOpt; + PsndRate = currentConfig.s_PsndRate; + PicoRegionOverride = currentConfig.s_PicoRegion; + PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder; + PicoCDBuffers = currentConfig.s_PicoCDBuffers; +} + +static void textOut16(int x, int y, const char *text) +{ + int i,l,len=strlen(text); + unsigned int *screen = (unsigned int *)((unsigned short *)SCREEN_BUFFER + (x&~1) + y*SCREEN_WIDTH); + + for (i = 0; i < len; i++) + { + for (l=0;l<16;l+=2) + { + unsigned char fd = fontdata8x8[((text[i])*8)+l/2]; + int u = l+1; + if(fd&0x80) screen[l*SCREEN_WIDTH/2+0]=screen[u*SCREEN_WIDTH/2+0]=0xffffffff; + if(fd&0x40) screen[l*SCREEN_WIDTH/2+1]=screen[u*SCREEN_WIDTH/2+1]=0xffffffff; + if(fd&0x20) screen[l*SCREEN_WIDTH/2+2]=screen[u*SCREEN_WIDTH/2+2]=0xffffffff; + if(fd&0x10) screen[l*SCREEN_WIDTH/2+3]=screen[u*SCREEN_WIDTH/2+3]=0xffffffff; + if(fd&0x08) screen[l*SCREEN_WIDTH/2+4]=screen[u*SCREEN_WIDTH/2+4]=0xffffffff; + if(fd&0x04) screen[l*SCREEN_WIDTH/2+5]=screen[u*SCREEN_WIDTH/2+5]=0xffffffff; + if(fd&0x02) screen[l*SCREEN_WIDTH/2+6]=screen[u*SCREEN_WIDTH/2+6]=0xffffffff; + if(fd&0x01) screen[l*SCREEN_WIDTH/2+7]=screen[u*SCREEN_WIDTH/2+7]=0xffffffff; + } + screen += 8; + } +} + + +void osd_text(int x, int y, const char *text) +{ + int len = strlen(text)*8; + + if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) { + int *p, i, h; + x &= ~3; // align x + len = (len+3) >> 2; + for (h = 0; h < 8; h++) { + p = (int *) ((unsigned char *) gp2x_screen+x+SCREEN_WIDTH*(y+h)); + for (i = len; i; i--, p++) *p = 0xe0e0e0e0; + } + emu_textOut8(x, y, text); + } else { + int *p, i, h; + x &= ~1; // align x + len++; + for (h = 0; h < 16; h++) { + p = (int *) ((unsigned short *) gp2x_screen+x+SCREEN_WIDTH*(y+h)); + for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7; + } + textOut16(x, y, text); + } +} + +static void draw_cd_leds(void) +{ +// static + int old_reg; +// if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems? + old_reg = Pico_mcd->s68k_regs[0]; + + if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) { + // 8-bit modes + unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0; + unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0; + *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*2+ 4) = + *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*3+ 4) = + *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*4+ 4) = col_g; + *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*2+12) = + *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*3+12) = + *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*4+12) = col_r; + } else { + // 16-bit modes + unsigned int *p = (unsigned int *)((short *)gp2x_screen + SCREEN_WIDTH*2+4); + unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0; + unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0; + *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += SCREEN_WIDTH/2 - 12/2; + *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += SCREEN_WIDTH/2 - 12/2; + *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; + } +} + +static void draw_pico_ptr(void) +{ + unsigned short *p = (unsigned short *)gp2x_screen; + + // only if pen enabled and for 16bit modes + if (pico_inp_mode == 0 || (PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) return; + + if (!(Pico.video.reg[12]&1) && !(PicoOpt&POPT_DIS_32C_BORDER)) + p += 32; + + p += SCREEN_WIDTH * (pico_pen_y + PICO_PEN_ADJUST_Y); + p += pico_pen_x + PICO_PEN_ADJUST_X; + p[0] ^= 0xffff; + p[319] ^= 0xffff; + p[320] ^= 0xffff; + p[321] ^= 0xffff; + p[640] ^= 0xffff; +} + +static int EmuScanEnd16(unsigned int num) +{ + unsigned char *ps=HighCol+8; + unsigned short *pd; + unsigned short *pal=HighPal; + int sh = Pico.video.reg[0xC]&8; + int len, mask = 0xff; + + if (!(Pico.video.reg[1]&8)) num += 8; + pd=(unsigned short *)gp2x_screen + num*800*2 + 800/2 - 320*2/2; + + if (Pico.m.dirtyPal) + PicoDoHighPal555(sh); + + if (Pico.video.reg[12]&1) { + len = 320; + } else { + pd+=32; + len = 256; + } + + if (!sh && (rendstatus & PDRAW_ACC_SPRITES)) + mask=0x3f; // accurate sprites, upper bits are priority stuff + + + for (; len > 0; len--) + { + unsigned int p = pal[*ps++ & mask]; + p |= p << 16; + *(unsigned int *)pd = p; + *(unsigned int *)(&pd[800]) = p; + pd += 2; + } + + return 0; +} + +static int EmuScanBegin8(unsigned int num) +{ + if (!(Pico.video.reg[1]&8)) num += 8; + DrawLineDest = (unsigned char *) gp2x_screen + SCREEN_WIDTH * num; + + return 0; +} + +int localPal[0x100]; +static void (*vidCpyM2)(void *dest, void *src) = NULL; + +static void blit(const char *fps, const char *notice) +{ + int emu_opt = currentConfig.EmuOpt; + + if (PicoOpt&0x10) + { + // 8bit fast renderer + if (Pico.m.dirtyPal) { + Pico.m.dirtyPal = 0; + vidConvCpyRGB32(localPal, Pico.cram, 0x40); + // feed new palette to our device + gp2x_video_setpalette(localPal, 0x40); + } + // a hack for VR + if (PicoRead16Hook == PicoSVPRead16) + memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328); + // do actual copy + vidCpyM2((unsigned char *)gp2x_screen+SCREEN_WIDTH*8, PicoDraw2FB+328*8); + } + else if (!(emu_opt&0x80)) + { + // 8bit accurate renderer + if (Pico.m.dirtyPal) + { + int pallen = 0x40; + Pico.m.dirtyPal = 0; + if (Pico.video.reg[0xC]&8) // shadow/hilight mode + { + vidConvCpyRGB32(localPal, Pico.cram, 0x40); + vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40); + vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40); + memcpy32(localPal+0xc0, localPal+0x40, 0x40); + pallen = 0x100; + } + else if (rendstatus & PDRAW_ACC_SPRITES) { + vidConvCpyRGB32(localPal, Pico.cram, 0x40); + memcpy32(localPal+0x40, localPal, 0x40); + memcpy32(localPal+0x80, localPal, 0x40); + memcpy32(localPal+0xc0, localPal, 0x40); + pallen = 0x100; + } + else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes + vidConvCpyRGB32(localPal, Pico.cram, 0x40); + vidConvCpyRGB32(localPal+0x40, HighPal, 0x40); + vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40); + pallen = 0xc0; + } + else { + vidConvCpyRGB32(localPal, Pico.cram, 0x40); + } + if (pallen > 0xc0) { + localPal[0xc0] = 0x0000c000; + localPal[0xd0] = 0x00c00000; + localPal[0xe0] = 0x00000000; // reserved pixels for OSD + localPal[0xf0] = 0x00ffffff; + } + gp2x_video_setpalette(localPal, pallen); + } + } + + if (notice || (emu_opt & 2)) { + int h = SCREEN_HEIGHT-16; + if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 16; + if (notice) osd_text(4, h, notice); + if (emu_opt & 2) + osd_text(osd_fps_x+24*2, h-8, fps); + } + if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD)) + draw_cd_leds(); + if (PicoAHW & PAHW_PICO) + draw_pico_ptr(); +{ +//static int u=0; +//memset((char *)gp2x_screen+800*471*2, (u++)>>1, 800*9*2); +} + + //gp2x_video_wait_vsync(); + gp2x_video_flip(); +} + + +// clears whole screen or just the notice area (in all buffers) +static void clearArea(int full) +{ + if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) { + // 8-bit renderers + if (full) gp2x_memset_all_buffers(0, 0xe0, SCREEN_WIDTH*240); + else gp2x_memset_all_buffers(SCREEN_WIDTH*232, 0xe0, SCREEN_WIDTH*8); + } else { + // 16bit accurate renderer + if (full) gp2x_memset_all_buffers(0, 0, SCREEN_WIDTH*SCREEN_HEIGHT*2); + else gp2x_memset_all_buffers(SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2, 0, SCREEN_WIDTH*16*2); + } +} + + +static void vidResetMode(void) +{ + if (PicoOpt&0x10) { + gp2x_video_changemode(8); + } else if (currentConfig.EmuOpt&0x80) { + gp2x_video_changemode(16); + PicoDrawSetColorFormat(-1); + PicoScanEnd = EmuScanEnd16; + } else { + gp2x_video_changemode(8); + PicoDrawSetColorFormat(2); + PicoScanBegin = EmuScanBegin8; + } + if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) { + // setup pal for 8-bit modes + localPal[0xc0] = 0x0000c000; // MCD LEDs + localPal[0xd0] = 0x00c00000; + localPal[0xe0] = 0x00000000; // reserved pixels for OSD + localPal[0xf0] = 0x00ffffff; + gp2x_video_setpalette(localPal, 0x100); + gp2x_memset_all_buffers(0, 0xe0, 320*240); + gp2x_video_flip(); + } + Pico.m.dirtyPal = 1; + // reset scaling + if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) + gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224); + else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240); +} + + +static void emu_msg_cb(const char *msg) +{ + if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) { + // 8-bit renderers + gp2x_memset_all_buffers(SCREEN_WIDTH*(SCREEN_HEIGHT-16), 0xe0, SCREEN_WIDTH*16); + osd_text(4, SCREEN_HEIGHT-16, msg); + gp2x_memcpy_all_buffers((char *)gp2x_screen+SCREEN_WIDTH*(SCREEN_HEIGHT-16), + SCREEN_WIDTH*(SCREEN_HEIGHT-16), SCREEN_WIDTH*16); + } else { + // 16bit accurate renderer + gp2x_memset_all_buffers(SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2, 0, SCREEN_WIDTH*16*2); + osd_text(4, SCREEN_HEIGHT-16, msg); + gp2x_memcpy_all_buffers((char *)gp2x_screen+SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2, + SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2, SCREEN_WIDTH*16*2); + } + gettimeofday(¬iceMsgTime, 0); + noticeMsgTime.tv_sec -= 2; + + /* assumption: emu_msg_cb gets called only when something slow is about to happen */ + reset_timing = 1; +} + +static void emu_state_cb(const char *str) +{ + clearArea(0); + blit("", str); +} + +static void emu_msg_tray_open(void) +{ + strcpy(noticeMsg, "CD tray opened"); + gettimeofday(¬iceMsgTime, 0); +} + +static void RunEventsPico(unsigned int events, unsigned int gp2x_keys) +{ + int ret, px, py, lim_x; + static int pdown_frames = 0; + + emu_RunEventsPico(events); + + if (pico_inp_mode == 0) return; + + // for F200 + ret = gp2x_touchpad_read(&px, &py); + if (ret >= 0) + { + if (ret > 35000) + { + if (pdown_frames++ > 5) + PicoPad[0] |= 0x20; + + pico_pen_x = px; + pico_pen_y = py; + if (!(Pico.video.reg[12]&1)) { + pico_pen_x -= 32; + if (pico_pen_x < 0) pico_pen_x = 0; + if (pico_pen_x > 248) pico_pen_x = 248; + } + if (pico_pen_y > 224) pico_pen_y = 224; + } + else + pdown_frames = 0; + + //if (ret == 0) + // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000; + } + + PicoPad[0] &= ~0x0f; // release UDLR + if (gp2x_keys & GP2X_UP) pico_pen_y--; + if (gp2x_keys & GP2X_DOWN) pico_pen_y++; + if (gp2x_keys & GP2X_LEFT) pico_pen_x--; + if (gp2x_keys & GP2X_RIGHT) pico_pen_x++; + + lim_x = (Pico.video.reg[12]&1) ? 319 : 255; + if (pico_pen_y < 8) pico_pen_y = 8; + if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y; + if (pico_pen_x < 0) pico_pen_x = 0; + if (pico_pen_x > lim_x-PICO_PEN_ADJUST_X) pico_pen_x = lim_x-PICO_PEN_ADJUST_X; + + PicoPicohw.pen_pos[0] = pico_pen_x; + if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4; + PicoPicohw.pen_pos[0] += 0x3c; + PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y); +} + +static void update_volume(int has_changed, int is_up) +{ + static int prev_frame = 0, wait_frames = 0; + int vol = currentConfig.volume; + + if (has_changed) + { + if (vol < 5 && (PicoOpt&8) && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12) + wait_frames++; + else { + if (is_up) { + if (vol < 99) vol++; + } else { + if (vol > 0) vol--; + } + wait_frames = 0; + gp2x_sound_volume(vol, vol); + currentConfig.volume = vol; + } + sprintf(noticeMsg, "VOL: %02i", vol); + gettimeofday(¬iceMsgTime, 0); + prev_frame = Pico.m.frame_count; + } + + // set the right mixer func + if (!(PicoOpt&8)) return; // just use defaults for mono + if (vol >= 5) + PsndMix_32_to_16l = mix_32_to_16l_stereo; + else { + mix_32_to_16l_level = 5 - vol; + PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl; + } +} + +static void RunEvents(unsigned int which) +{ + if (which & 0x1800) // save or load (but not both) + { + int do_it = 1; + if ( emu_checkSaveFile(state_slot) && + (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load + (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) { // save + unsigned long keys; + blit("", (which & 0x1000) ? "LOAD STATE? (Y=yes, X=no)" : "OVERWRITE SAVE? (Y=yes, X=no)"); + while ( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) ) + usleep(50*1024); + if (keys & GP2X_X) do_it = 0; + while ( gp2x_joystick_read(1) & (GP2X_X|GP2X_Y) ) // wait for release + usleep(50*1024); + clearArea(0); + } + if (do_it) { + osd_text(4, SCREEN_HEIGHT-16, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME"); + PicoStateProgressCB = emu_state_cb; + gp2x_memcpy_all_buffers(gp2x_screen, 0, SCREEN_WIDTH*SCREEN_HEIGHT*2); + emu_SaveLoadGame((which & 0x1000) >> 12, 0); + PicoStateProgressCB = NULL; + } + + reset_timing = 1; + } + if (which & 0x0400) // switch renderer + { + if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; } + else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10; + else currentConfig.EmuOpt &= ~0x80; + + vidResetMode(); + + if (PicoOpt&0x10) { + strcpy(noticeMsg, " 8bit fast renderer"); + } else if (currentConfig.EmuOpt&0x80) { + strcpy(noticeMsg, "16bit accurate renderer"); + } else { + strcpy(noticeMsg, " 8bit accurate renderer"); + } + + gettimeofday(¬iceMsgTime, 0); + } + if (which & 0x0300) + { + if(which&0x0200) { + state_slot -= 1; + if(state_slot < 0) state_slot = 9; + } else { + state_slot += 1; + if(state_slot > 9) state_slot = 0; + } + sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE"); + gettimeofday(¬iceMsgTime, 0); + } + if (which & 0x0080) { + engineState = PGS_Menu; + } +} + +static void updateKeys(void) +{ + unsigned int keys, keys2, allActions[2] = { 0, 0 }, events; + static unsigned int prevEvents = 0; + int joy, i; + + keys = gp2x_joystick_read(0); + if (keys & GP2X_SELECT) { + engineState = select_exits ? PGS_Quit : PGS_Menu; + // wait until select is released, so menu would not resume game + while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000); + } + + keys &= CONFIGURABLE_KEYS; + keys2 = keys; + + for (i = 0; i < 32; i++) + { + if (keys2 & (1 << i)) + { + int pl, acts = currentConfig.KeyBinds[i]; + if (!acts) continue; + pl = (acts >> 16) & 1; + if (kb_combo_keys & (1 << i)) + { + int u = i+1, acts_c = acts & kb_combo_acts; + // let's try to find the other one + if (acts_c) { + for (; u < 32; u++) + if ( (keys2 & (1 << u)) && (currentConfig.KeyBinds[u] & acts_c) ) { + allActions[pl] |= acts_c & currentConfig.KeyBinds[u]; + keys2 &= ~((1 << i) | (1 << u)); + break; + } + } + // add non-combo actions if combo ones were not found + if (!acts_c || u == 32) + allActions[pl] |= acts & ~kb_combo_acts; + } else { + allActions[pl] |= acts; + } + } + } + + // add joy inputs + if (num_of_joys > 0) + { + gp2x_usbjoy_update(); + for (joy = 0; joy < num_of_joys; joy++) { + int btns = gp2x_usbjoy_check2(joy); + for (i = 0; i < 32; i++) { + if (btns & (1 << i)) { + int acts = currentConfig.JoyBinds[joy][i]; + int pl = (acts >> 16) & 1; + allActions[pl] |= acts; + } + } + } + } + + PicoPad[0] = allActions[0] & 0xfff; + PicoPad[1] = allActions[1] & 0xfff; + + if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]); + if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]); + + events = (allActions[0] | allActions[1]) >> 16; + + // volume is treated in special way and triggered every frame + if (events & 0x6000) + update_volume(1, events & 0x2000); + + if ((events ^ prevEvents) & 0x40) { + emu_changeFastForward(events & 0x40); + update_volume(0, 0); + reset_timing = 1; + } + + events &= ~prevEvents; + + if (PicoAHW == PAHW_PICO) + RunEventsPico(events, keys); + if (events) RunEvents(events); + if (movie_data) emu_updateMovie(); + + prevEvents = (allActions[0] | allActions[1]) >> 16; +} + + +static void updateSound(int len) +{ + if (PicoOpt&8) len<<=1; + + /* avoid writing audio when lagging behind to prevent audio lag */ + if (PicoSkipFrame != 2) + gp2x_sound_write(PsndOut, len<<1); +} + + +static void SkipFrame(int do_audio) +{ + PicoSkipFrame=do_audio ? 1 : 2; + PicoFrame(); + PicoSkipFrame=0; +} + + +void emu_forcedFrame(int opts) +{ + int po_old = PicoOpt; + int eo_old = currentConfig.EmuOpt; + + PicoOpt &= ~0x10; + PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites + currentConfig.EmuOpt |= 0x80; + + //vidResetMode(); + PicoDrawSetColorFormat(-1); + PicoScanEnd = EmuScanEnd16; + Pico.m.dirtyPal = 1; + PicoFrameDrawOnly(); + +/* + if (!(Pico.video.reg[12]&1)) { + vidCpyM2 = vidCpyM2_32col; + clearArea(1); + } else vidCpyM2 = vidCpyM2_40col; + + vidCpyM2((unsigned char *)gp2x_screen+SCREEN_WIDTH*8, PicoDraw2FB+328*8); + vidConvCpyRGB32(localPal, Pico.cram, 0x40); + gp2x_video_setpalette(localPal, 0x40); +*/ + PicoOpt = po_old; + currentConfig.EmuOpt = eo_old; +} + +static void simpleWait(int thissec, int lim_time) +{ + struct timeval tval; + + spend_cycles(1024); + gettimeofday(&tval, 0); + if (thissec != tval.tv_sec) tval.tv_usec+=1000000; + + while (tval.tv_usec < lim_time) + { + spend_cycles(1024); + gettimeofday(&tval, 0); + if (thissec != tval.tv_sec) tval.tv_usec+=1000000; + } +} + + +void emu_Loop(void) +{ + static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0; + char fpsbuff[24]; // fps count c string + struct timeval tval; // timing + int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync + int frames_done, frames_shown, thissec; // actual frames + int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i; + char *notice = 0; + + printf("entered emu_Loop()\n"); + + fpsbuff[0] = 0; + + // make sure we are in correct mode + vidResetMode(); + scaling_update(); + Pico.m.dirtyPal = 1; + oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc; + emu_findKeyBindCombos(); + + // pal/ntsc might have changed, reset related stuff + target_fps = Pico.m.pal ? 50 : 60; + target_frametime = 1000000/target_fps; + reset_timing = 1; + + // prepare sound stuff + if (currentConfig.EmuOpt & 4) + { + int snd_excess_add; + if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old) + PsndRerate(Pico.m.frame_count ? 1 : 0); + + snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps; + printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n", + PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal); + gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3); + gp2x_sound_volume(currentConfig.volume, currentConfig.volume); + PicoWriteSound = updateSound; + update_volume(0, 0); + memset(sndBuffer, 0, sizeof(sndBuffer)); + PsndOut = sndBuffer; + PsndRate_old = PsndRate; + PicoOpt_old = PicoOpt; + pal_old = Pico.m.pal; + } else { + PsndOut = NULL; + } + + // prepare CD buffer + if (PicoAHW & PAHW_MCD) PicoCDBufferInit(); + + // calc vsync offset to sync timing code with vsync + if (currentConfig.EmuOpt&0x2000) { + gettimeofday(&tval, 0); + gp2x_video_wait_vsync(); + gettimeofday(&tval, 0); + vsync_offset = tval.tv_usec; + while (vsync_offset >= target_frametime) + vsync_offset -= target_frametime; + if (!vsync_offset) vsync_offset++; + printf("vsync_offset: %i\n", vsync_offset); + } else + vsync_offset = 0; + + frames_done = frames_shown = thissec = + pframes_done = pframes_shown = pthissec = 0; + + // loop + while (engineState == PGS_Running) + { + int modes; + + gettimeofday(&tval, 0); + if (reset_timing) { + reset_timing = 0; + pthissec = tval.tv_sec; + pframes_shown = pframes_done = tval.tv_usec/target_frametime; + } + + // show notice message? + if (noticeMsgTime.tv_sec) + { + static int noticeMsgSum; + if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec + noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0; + clearArea(0); + notice = 0; + } else { + int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2]; + if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; } + notice = noticeMsg; + } + } + + // check for mode changes + modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8); + if (modes != oldmodes) + { + int scalex = SCREEN_WIDTH; + osd_fps_x = OSD_FPS_X; + if (modes & 4) { + vidCpyM2 = vidCpyM2_40col; + } else { + if (PicoOpt & 0x100) { + vidCpyM2 = vidCpyM2_32col_nobord; + scalex = 256; + osd_fps_x = OSD_FPS_X - 64; + } else { + vidCpyM2 = vidCpyM2_32col; + } + } + if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode + gp2x_video_RGB_setscaling(8, scalex, 224); + else gp2x_video_RGB_setscaling(0, scalex, 240); + oldmodes = modes; + clearArea(1); + } + + // second changed? + if (thissec != tval.tv_sec) + { +#ifdef BENCHMARK + static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4]; + if (++bench == 10) { + bench = 0; + bench_fps_s = bench_fps; + bf[bfp++ & 3] = bench_fps; + bench_fps = 0; + } + bench_fps += frames_shown; + sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2); +#else + if (currentConfig.EmuOpt & 2) { + //sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done); + sprintf(fpsbuff, "%4i", frames_shown); + if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; } + } +#endif + frames_shown = frames_done = 0; + thissec = tval.tv_sec; + } +#ifdef PFRAMES + sprintf(fpsbuff, "%i", Pico.m.frame_count); +#endif + + if (pthissec != tval.tv_sec) + { + if (PsndOut == 0 && currentConfig.Frameskip >= 0) { + pframes_done = pframes_shown = 0; + } else { + // it is quite common for this implementation to leave 1 fame unfinished + // when second changes, but we don't want buffer to starve. + if(PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) { + updateKeys(); + SkipFrame(1); pframes_done++; + } + + pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0; + pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0; + if (pframes_shown > pframes_done) pframes_shown = pframes_done; + } + pthissec = tval.tv_sec; + } + + lim_time = (pframes_done+1) * target_frametime + vsync_offset; + if (currentConfig.Frameskip >= 0) // frameskip enabled + { + for(i = 0; i < currentConfig.Frameskip; i++) { + updateKeys(); + SkipFrame(1); pframes_done++; frames_done++; + if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled + gettimeofday(&tval, 0); + if (pthissec != tval.tv_sec) tval.tv_usec+=1000000; + if (tval.tv_usec < lim_time) { // we are too fast + simpleWait(pthissec, lim_time); + } + } + lim_time += target_frametime; + } + } + else if (tval.tv_usec > lim_time) // auto frameskip + { + // no time left for this frame - skip + if (tval.tv_usec - lim_time >= 300000) { + /* something caused a slowdown for us (disk access? cache flush?) + * try to recover by resetting timing... */ + reset_timing = 1; + continue; + } + updateKeys(); + SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++; + continue; + } + + updateKeys(); + PicoFrame(); + + // check time + gettimeofday(&tval, 0); + if (pthissec != tval.tv_sec) tval.tv_usec+=1000000; + + if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection + reset_timing = 1; +/* else if (PsndOut != NULL || currentConfig.Frameskip < 0) + { + // sleep or vsync if we are still too fast + // usleep sleeps for ~20ms minimum, so it is not a solution here + if (!reset_timing && tval.tv_usec < lim_time) + { + // we are too fast + if (vsync_offset) { + if (lim_time - tval.tv_usec > target_frametime/2) + simpleWait(pthissec, lim_time - target_frametime/4); + gp2x_video_wait_vsync(); + } else { + simpleWait(pthissec, lim_time); + } + } + } +*/ + blit(fpsbuff, notice); + + pframes_done++; pframes_shown++; + frames_done++; frames_shown++; + } + + emu_changeFastForward(0); + + if (PicoAHW & PAHW_MCD) PicoCDBufferFree(); + + // save SRAM + if((currentConfig.EmuOpt & 1) && SRam.changed) { + emu_state_cb("Writing SRAM/BRAM.."); + emu_SaveLoadGame(0, 1); + SRam.changed = 0; + } + + // if in 8bit mode, generate 16bit image for menu background + if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) + emu_forcedFrame(POPT_EN_SOFTSCALE); +} + + +void emu_ResetGame(void) +{ + PicoReset(); + reset_timing = 1; +} + diff --git a/pandora/main.c b/pandora/main.c index 8261446..55ece53 100644 --- a/pandora/main.c +++ b/pandora/main.c @@ -18,7 +18,6 @@ #include "../gp2x/version.h" -extern char *ext_menu, *ext_state; extern int select_exits; extern char *PicoConfigFile; int mmuhack_status = 0; // TODO rm @@ -32,13 +31,7 @@ void parse_cmd_line(int argc, char *argv[]) { if(argv[x][0] == '-') { - if(strcasecmp(argv[x], "-menu") == 0) { - if(x+1 < argc) { ++x; ext_menu = argv[x]; } /* External Frontend: Program Name */ - } - else if(strcasecmp(argv[x], "-state") == 0) { - if(x+1 < argc) { ++x; ext_state = argv[x]; } /* External Frontend: Arguments */ - } - else if(strcasecmp(argv[x], "-config") == 0) { + if(strcasecmp(argv[x], "-config") == 0) { if(x+1 < argc) { ++x; PicoConfigFile = argv[x]; } } else if(strcasecmp(argv[x], "-selectexit") == 0) { diff --git a/pandora/pandora.c b/pandora/pandora.c index 3fc4690..1779725 100644 --- a/pandora/pandora.c +++ b/pandora/pandora.c @@ -1,24 +1,3 @@ -/** - * All this is mostly based on rlyeh's minimal library. - * Copied here to review all his code and understand what's going on. -**/ - -/* - - GP2X minimal library v0.A by rlyeh, (c) 2005. emulnation.info@rlyeh (swap it!) - - Thanks to Squidge, Robster, snaff, Reesy and NK, for the help & previous work! :-) - - License - ======= - - Free for non-commercial projects (it would be nice receiving a mail from you). - Other cases, ask me first. - - GamePark Holdings is not allowed to use this library and/or use parts from it. - -*/ - #include #include @@ -37,177 +16,84 @@ #include "../gp2x/usbjoy.h" #include "../common/arm_utils.h" -volatile unsigned short *gp2x_memregs; -//static -volatile unsigned long *gp2x_memregl; -static void *gp2x_screens[4]; -static int screensel = 0; +static volatile unsigned int *memregs; //static int memdev = 0; static int sounddev = -1, mixerdev = -1, touchdev = -1; static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 }; +#define SCREEN_MAP_SIZE (((800*(480+11)*2)+0xfff)&~0xfff) +static void *screen; void *gp2x_screen; -#define FRAMEBUFF_WHOLESIZE (0x30000*4) // 320*240*2 + some more -#define FRAMEBUFF_ADDR0 (0x4000000-FRAMEBUFF_WHOLESIZE) -#define FRAMEBUFF_ADDR1 (FRAMEBUFF_ADDR0+0x30000) -#define FRAMEBUFF_ADDR2 (FRAMEBUFF_ADDR1+0x30000) -#define FRAMEBUFF_ADDR3 (FRAMEBUFF_ADDR2+0x30000) - -static const int gp2x_screenaddrs[4] = { FRAMEBUFF_ADDR0, FRAMEBUFF_ADDR1, FRAMEBUFF_ADDR2, FRAMEBUFF_ADDR3 }; -static int gp2x_screenaddrs_use[4]; -static unsigned short gp2x_screenaddr_old[4]; - /* video stuff */ void gp2x_video_flip(void) { - unsigned short lsw = (unsigned short) gp2x_screenaddrs_use[screensel&3]; - unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&3] >> 16); - - gp2x_memregs[0x2910>>1] = msw; - gp2x_memregs[0x2914>>1] = msw; - gp2x_memregs[0x290E>>1] = lsw; - gp2x_memregs[0x2912>>1] = lsw; - - // jump to other buffer: - gp2x_screen = gp2x_screens[++screensel&3]; } /* doulblebuffered flip */ void gp2x_video_flip2(void) { - unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&1] >> 16); - - gp2x_memregs[0x2910>>1] = msw; - gp2x_memregs[0x2914>>1] = msw; - gp2x_memregs[0x290E>>1] = 0; - gp2x_memregs[0x2912>>1] = 0; - - // jump to other buffer: - gp2x_screen = gp2x_screens[++screensel&1]; } void gp2x_video_changemode2(int bpp) { - gp2x_memregs[0x28DA>>1]=(((bpp+1)/8)<<9)|0xAB; /*8/15/16/24bpp...*/ - gp2x_memregs[0x290C>>1]=320*((bpp+1)/8); /*line width in bytes*/ } void gp2x_video_changemode(int bpp) { - gp2x_video_changemode2(bpp); - - gp2x_memset_all_buffers(0, 0, 320*240*2); - gp2x_video_flip(); } void gp2x_video_setpalette(int *pal, int len) { - unsigned short *g=(unsigned short *)pal; - volatile unsigned short *memreg = &gp2x_memregs[0x295A>>1]; - gp2x_memregs[0x2958>>1] = 0; - - len *= 2; - while(len--) *memreg=*g++; } -// TV Compatible function // void gp2x_video_RGB_setscaling(int ln_offs, int W, int H) { - float escalaw, escalah; - int bpp = (gp2x_memregs[0x28DA>>1]>>9)&0x3; - unsigned short scalw; - - // set offset - gp2x_screenaddrs_use[0] = gp2x_screenaddrs[0] + ln_offs * 320 * bpp; - gp2x_screenaddrs_use[1] = gp2x_screenaddrs[1] + ln_offs * 320 * bpp; - gp2x_screenaddrs_use[2] = gp2x_screenaddrs[2] + ln_offs * 320 * bpp; - gp2x_screenaddrs_use[3] = gp2x_screenaddrs[3] + ln_offs * 320 * bpp; - - escalaw = 1024.0; // RGB Horiz LCD - escalah = 320.0; // RGB Vert LCD - - if(gp2x_memregs[0x2800>>1]&0x100) //TV-Out - { - escalaw=489.0; // RGB Horiz TV (PAL, NTSC) - if (gp2x_memregs[0x2818>>1] == 287) //PAL - escalah=274.0; // RGB Vert TV PAL - else if (gp2x_memregs[0x2818>>1] == 239) //NTSC - escalah=331.0; // RGB Vert TV NTSC - } - - // scale horizontal - scalw = (unsigned short)((float)escalaw *(W/320.0)); - /* if there is no horizontal scaling, vertical doesn't work. Here is a nasty wrokaround... */ - if (H != 240 && W == 320) scalw--; - gp2x_memregs[0x2906>>1]=scalw; - // scale vertical - gp2x_memregl[0x2908>>2]=(unsigned long)((float)escalah *bpp *(H/240.0)); } void gp2x_video_wait_vsync(void) { - unsigned short v = gp2x_memregs[0x1182>>1]; - while (!((v ^ gp2x_memregs[0x1182>>1]) & 0x10)) spend_cycles(1024); } void gp2x_video_flush_cache(void) { - // since we are using the mmu hack, we must flush the cache first - // (the params are most likely wrong, but they seem to work somehow) - //flushcache(addr, addr + 320*240*2, 0); - flushcache(gp2x_screen, (char *)gp2x_screen + 320*240*2, 0); +// flushcache(gp2x_screen, (char *)gp2x_screen + 320*240*2, 0); } void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) { - char *dst; - if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); } - if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); } - if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); } - if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); } } void gp2x_memcpy_all_buffers(void *data, int offset, int len) { - gp2x_memcpy_buffers(0xf, data, offset, len); } void gp2x_memset_all_buffers(int offset, int byte, int len) { - memset((char *)gp2x_screens[0] + offset, byte, len); - memset((char *)gp2x_screens[1] + offset, byte, len); - memset((char *)gp2x_screens[2] + offset, byte, len); - memset((char *)gp2x_screens[3] + offset, byte, len); + memset((char *)gp2x_screen + offset, byte, len); } void gp2x_pd_clone_buffer2(void) { - memcpy(gp2x_screen, gp2x_screens[2], 320*240*2); } unsigned long gp2x_joystick_read(int allow_usb_joy) { + unsigned long value = 0; int i; - unsigned long value=(gp2x_memregs[0x1198>>1] & 0x00FF); // GPIO M - if(value==0xFD) value=0xFA; - if(value==0xF7) value=0xEB; - if(value==0xDF) value=0xAF; - if(value==0x7F) value=0xBE; - value = ~((gp2x_memregs[0x1184>>1] & 0xFF00) | value | (gp2x_memregs[0x1186>>1] << 16)); // C D if (allow_usb_joy && num_of_joys > 0) { // check the usb joy as well.. @@ -252,10 +138,11 @@ int gp2x_touchpad_read(int *x, int *y) } -static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0; +//static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0; void gp2x_start_sound(int rate, int bits, int stereo) { +#if 0 int frag = 0, bsize, buffers; // if no settings change, we don't need to do anything @@ -282,72 +169,36 @@ void gp2x_start_sound(int rate, int bits, int stereo) rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff)); s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo; +#endif } void gp2x_sound_write(void *buff, int len) { - write(sounddev, buff, len); +// write(sounddev, buff, len); } void gp2x_sound_sync(void) { - ioctl(sounddev, SOUND_PCM_SYNC, 0); +// ioctl(sounddev, SOUND_PCM_SYNC, 0); } void gp2x_sound_volume(int l, int r) { +#if 0 l=l<0?0:l; l=l>255?255:l; r=r<0?0:r; r=r>255?255:r; l<<=8; l|=r; ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &l); /*SOUND_MIXER_WRITE_VOLUME*/ -} - - -/* 940 */ -void Pause940(int yes) -{ - if(yes) - gp2x_memregs[0x0904>>1] &= 0xFFFE; - else - gp2x_memregs[0x0904>>1] |= 1; -} - - -void Reset940(int yes, int bank) -{ - gp2x_memregs[0x3B48>>1] = ((yes&1) << 7) | (bank & 0x03); -} - -static void proc_set(const char *path, const char *val) -{ - FILE *f; - char tmp[16]; - - f = fopen(path, "w"); - if (f == NULL) { - printf("failed to open: %s\n", path); - return; - } - - fprintf(f, "0\n"); - fclose(f); - - printf("\"%s\" is set to: ", path); - f = fopen(path, "r"); - if (f == NULL) { - printf("(open failed)\n"); - return; - } - - fgets(tmp, sizeof(tmp), f); - printf("%s", tmp); - fclose(f); +#endif } /* common */ void gp2x_init(void) { +// struct fb_fix_screeninfo fbfix; + int fbdev; + printf("entering init()\n"); fflush(stdout); memdev = open("/dev/mem", O_RDWR); @@ -357,38 +208,37 @@ void gp2x_init(void) exit(1); } - gp2x_memregs = mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000); - printf("memregs are @ %p\n", gp2x_memregs); - if(gp2x_memregs == MAP_FAILED) + memregs = mmap(0, 0x01000000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0x48000000); + if (memregs == MAP_FAILED) { printf("mmap(memregs) failed with %i\n", errno); exit(1); } - gp2x_memregl = (unsigned long *) gp2x_memregs; - gp2x_memregs[0x2880>>1] &= ~0x383; // disable cursor, subpict, osd, video layers - - gp2x_screens[0] = mmap(0, FRAMEBUFF_WHOLESIZE, PROT_WRITE, MAP_SHARED, memdev, FRAMEBUFF_ADDR0); - if(gp2x_screens[0] == MAP_FAILED) + fbdev = open("/dev/fb0", O_RDWR); + if (fbdev == -1) { - printf("mmap(gp2x_screen) failed with %i\n", errno); + printf("open(\"/dev/fb0\") failed with %i\n", errno); exit(1); } - printf("framebuffers point to %p\n", gp2x_screens[0]); - gp2x_screens[1] = (char *) gp2x_screens[0]+0x30000; - gp2x_screens[2] = (char *) gp2x_screens[1]+0x30000; - gp2x_screens[3] = (char *) gp2x_screens[2]+0x30000; - - gp2x_screen = gp2x_screens[0]; - screensel = 0; - gp2x_screenaddr_old[0] = gp2x_memregs[0x290E>>1]; - gp2x_screenaddr_old[1] = gp2x_memregs[0x2910>>1]; - gp2x_screenaddr_old[2] = gp2x_memregs[0x2912>>1]; - gp2x_screenaddr_old[3] = gp2x_memregs[0x2914>>1]; +/* + ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix); + if (ret == -1) + { + printf("ioctl(fbdev) failed with %i\n", errno); + exit(1); + } +*/ + screen = mmap(0, SCREEN_MAP_SIZE, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev, 0); + if (screen == MAP_FAILED) + { + printf("mmap(fbptr) failed with %i\n", errno); + exit(1); + } + printf("fbptr %p\n", screen); + gp2x_screen = (char *)screen + 800*10*2-64; - memcpy(gp2x_screenaddrs_use, gp2x_screenaddrs, sizeof(gp2x_screenaddrs)); - gp2x_memset_all_buffers(0, 0, 320*240*2); // snd mixerdev = open("/dev/mixer", O_RDWR); @@ -410,49 +260,23 @@ void gp2x_init(void) printf("found touchscreen/wm97xx\n"); } - /* disable Linux read-ahead */ - proc_set("/proc/sys/vm/max-readahead", "0\n"); - proc_set("/proc/sys/vm/min-readahead", "0\n"); - printf("exitting init()\n"); fflush(stdout); } -char *ext_menu = 0, *ext_state = 0; - void gp2x_deinit(void) { - Reset940(1, 3); - Pause940(1); - - gp2x_video_changemode(15); - gp2x_memregs[0x290E>>1] = gp2x_screenaddr_old[0]; - gp2x_memregs[0x2910>>1] = gp2x_screenaddr_old[1]; - gp2x_memregs[0x2912>>1] = gp2x_screenaddr_old[2]; - gp2x_memregs[0x2914>>1] = gp2x_screenaddr_old[3]; + //gp2x_video_changemode(15); - munmap(gp2x_screens[0], FRAMEBUFF_WHOLESIZE); - munmap((void *)gp2x_memregs, 0x10000); + munmap(screen, SCREEN_MAP_SIZE); + munmap((void *)memregs, 0x10000); close(memdev); - close(mixerdev); + if (mixerdev >= 0) close(mixerdev); if (sounddev >= 0) close(sounddev); if (touchdev >= 0) close(touchdev); gp2x_usbjoy_deinit(); - printf("all done, running "); - - // Zaq121's alternative frontend support from MAME - if(ext_menu && ext_state) { - printf("%s -state %s\n", ext_menu, ext_state); - execl(ext_menu, ext_menu, "-state", ext_state, NULL); - } else if(ext_menu) { - printf("%s\n", ext_menu); - execl(ext_menu, ext_menu, NULL); - } else { - printf("gp2xmenu\n"); - chdir("/usr/gp2x"); - execl("gp2xmenu", "gp2xmenu", NULL); - } + printf("all done"); } /* lprintf */ @@ -474,4 +298,6 @@ void set_gamma(int g100, int A_SNs_curve) {} void set_FCLK(unsigned MHZ) {} void set_LCD_custom_rate(int rate) {} void unset_LCD_custom_rate(void) {} +void Pause940(int yes) {} +void Reset940(int yes, int bank) {} -- 2.39.5